DR3=108 dB with 20 dB Preamp ON. (99 dB Preamp OFF) Otherwise dynamic range independent of signal spacing.
NOTE: This data does NOT imply you should generally run the preamp! This is a testing anomaly of a direct-sampling receiver.

z

The low-side dynamic range was 76 dB, while the high-side dynamic range was 70.
NOTE: This may imply the roofing filter was asymmetrical, and likely a sample variation.